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Finding the Fourth Proportional to 555,227.49, 833,184 and 218,208.90

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Solution

The fourth proportional to 555,227.49, 833,184 and 218,208.90 is: 327,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,227.49 : 833,184 = 218,208.90 : x
  2. Step 2: Convert to fraction form
    555,227.49/833,184 = 218,208.90/x
  3. Step 3: Cross multiply
    555,227.49x = 833,184 × 218,208.90
  4. Step 4: Simplify right side
    555,227.49x = 181,808,164,137.60
  5. Step 5: Solve for x
    x = 181,808,164,137.60/555,227.49
  6. Step 6: Final answer
    x = 327,448.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.